728654560 has 48 divisors (see below), whose sum is σ = 1812056400. Its totient is φ = 276120576.

The previous prime is 728654519. The next prime is 728654569. The reversal of 728654560 is 65456827.

728654560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728654569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116805 + ... + 122884.

It is an arithmetic number, because the mean of its divisors is an integer number (37751175).

Almost surely, 2^728654560 is an apocalyptic number.

It is an amenable number.

728654560 is an abundant number, since it is smaller than the sum of its proper divisors (1083401840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728654560 is a wasteful number, since it uses less digits than its factorization.

728654560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239723 (or 239715 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 728654560 is about 26993.6022049670. The cubic root of 728654560 is about 899.8578211617.

The spelling of 728654560 in words is "seven hundred twenty-eight million, six hundred fifty-four thousand, five hundred sixty".